diff --git a/dlls/ddraw/ddraw.c b/dlls/ddraw/ddraw.c
index 7cfb56f45cc..b7e7e6514a8 100644
--- a/dlls/ddraw/ddraw.c
+++ b/dlls/ddraw/ddraw.c
@@ -4661,7 +4661,8 @@ static const struct IDirectDraw2Vtbl ddraw2_vtbl =
     ddraw2_GetAvailableVidMem,
 };
 
-static const struct IDirectDrawVtbl ddraw1_vtbl =
+/* Bad Mojo Redux expects this vtbl to be writable. */
+static struct IDirectDrawVtbl ddraw1_vtbl =
 {
     /* IUnknown */
     ddraw1_QueryInterface,
diff --git a/dlls/ddraw/surface.c b/dlls/ddraw/surface.c
index c418bb7b2b3..44230838352 100644
--- a/dlls/ddraw/surface.c
+++ b/dlls/ddraw/surface.c
@@ -5613,7 +5613,8 @@ static const struct IDirectDrawSurface2Vtbl ddraw_surface2_vtbl =
     ddraw_surface2_PageUnlock,
 };
 
-static const struct IDirectDrawSurfaceVtbl ddraw_surface1_vtbl =
+/* Bad Mojo Redux expects this vtbl to be writable. */
+static struct IDirectDrawSurfaceVtbl ddraw_surface1_vtbl =
 {
     /* IUnknown */
     ddraw_surface1_QueryInterface,